Home / 1,971,644.87-2,720,849.06-1,112,484.71

Finding the Fourth Proportional to 1,971,644.87, 2,720,849.06 and 1,112,484.71

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Solution

The fourth proportional to 1,971,644.87, 2,720,849.06 and 1,112,484.71 is: 1,535,217.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,644.87 : 2,720,849.06 = 1,112,484.71 : x
  2. Step 2: Convert to fraction form
    1,971,644.87/2,720,849.06 = 1,112,484.71/x
  3. Step 3: Cross multiply
    1,971,644.87x = 2,720,849.06 × 1,112,484.71
  4. Step 4: Simplify right side
    1,971,644.87x = 3,026,902,966,644.84
  5. Step 5: Solve for x
    x = 3,026,902,966,644.84/1,971,644.87
  6. Step 6: Final answer
    x = 1,535,217.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.